PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-18:57:40
G10     279.8          46.1               13.0 +/-    1.19      17.3 +/-    1.19  0.070 / 0.130
G15     50.4           39.4               10.9 +/-    0.67      15.9 +/-    0.67  0.070 / 0.130
G20     323.4          64.5               11.0 +/-    0.68      12.1 +/-    0.68  0.040 / 0.040
G21     34.8           76.5               12.1 +/-    0.43      12.4 +/-    0.43  0.040 / 0.050
G24     113.4          20.0               14.4 +/-    0.96      31.6 +/-    0.96  0.080 / 0.170
G27     313.1          26.4               11.1 +/-    2.26      21.0 +/-    2.26  0.090 / 0.170
G29     168.2          21.5               13.0 +/-    1.09      27.5 +/-    1.09  0.050 / 0.140
G32     205.5          19.3               14.3 +/-    1.81      32.0 +/-    1.81  0.060 / 0.150